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Symfony 5: The Fast Track

A new book to learn about developing modern Symfony 5 applications.

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  3. Reference
  4. Constraints
  5. Email
WARNING: You are browsing the documentation for Symfony 2.0 which is not maintained anymore. Consider upgrading your projects to Symfony 4.3.

Email

2.0 version
Maintained
3.4 4.3 current 4.4 5.1 master 5.0
Unmaintained
2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 3.0 3.1 3.2 3.3 4.0 4.1 4.2

Email

Validates that a value is a valid email address. The underlying value is cast to a string before being validated.

Applies to property or method
Options
Class Email
Validator EmailValidator

Basic Usage

  • YAML
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    # src/BlogBundle/Resources/config/validation.yml
Acme\BlogBundle\Entity\Author:
    properties:
        email:
            - Email:
                message: The email "{{ value }}" is not a valid email.
                checkMX: true
  • Annotations
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    // src/Acme/BlogBundle/Entity/Author.php
namespace Acme\BlogBundle\Entity;

use Symfony\Component\Validator\Constraints as Assert;

class Author
{
    /**
     * @Assert\Email(
     *     message = "The email '{{ value }}' is not a valid email.",
     *     checkMX = true
     * )
     */
     protected $email;
}
  • XML
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    <!-- src/Acme/BlogBundle/Resources/config/validation.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<constraint-mapping xmlns="http://symfony.com/schema/dic/constraint-mapping"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/dic/constraint-mapping http://symfony.com/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd">

    <class name="Acme\BlogBundle\Entity\Author">
        <property name="email">
            <constraint name="Email">
                <option name="message">The email "{{ value }}" is not a valid email.</option>
                <option name="checkMX">true</option>
            </constraint>
        </property>
    </class>
</constraint-mapping>
  • PHP
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    // src/Acme/BlogBundle/Entity/Author.php
namespace Acme\BlogBundle\Entity;

use Symfony\Component\Validator\Mapping\ClassMetadata;
use Symfony\Component\Validator\Constraints as Assert;

class Author
{
    public static function loadValidatorMetadata(ClassMetadata $metadata)
    {
        $metadata->addPropertyConstraint('email', new Assert\Email(array(
            'message' => 'The email "{{ value }}" is not a valid email.',
            'checkMX' => true,
        )));
    }
}

Options

message

type: string default: This value is not a valid email address

This message is shown if the underlying data is not a valid email address.

checkMX

type: Boolean default: false

If true, then the checkdnsrr PHP function will be used to check the validity of the MX record of the host of the given email.

This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.